MPEC 2006-Y64 : COMET P/2006 W4 (HILL)
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2006-Y63
Read MPEC 2006-Y65
M.P.E.C. 2006-Y64 Issued 2006 Dec. 28, 21:50 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET P/2006 W4 (HILL)
Observations:
PK06W040 C2006 12 15.19031 03 01 23.21 +24 12 10.0 20.1 T EY064704
PK06W040 C2006 12 15.20591 03 01 22.98 +24 12 04.8 20.1 T EY064704
PK06W040 C2006 12 15.23335 03 01 22.47 +24 11 54.4 20.3 T EY064704
PK06W040 C2006 12 15.24869 03 01 22.00 +24 11 49.2 19.5 T EY064G96
PK06W040 C2006 12 15.25700 03 01 21.75 +24 11 46.5 19.6 T EY064G96
PK06W040 C2006 12 15.26512 03 01 21.61 +24 11 43.5 19.5 T EY064G96
PK06W040 C2006 12 15.27325 03 01 21.43 +24 11 40.4 19.7 T EY064G96
PK06W040 C2006 12 21.98640 02 59 09.41 +23 34 27.7 19.5 N EY064204
PK06W040 C2006 12 22.08060 02 59 07.80 +23 33 57.4 EY064204
PK06W040 C2006 12 22.94500 02 58 53.12 +23 29 17.2 20.5 N EY064147
PK06W040 C2006 12 22.95137 02 58 53.07 +23 29 15.5 20.3 N EY064147
PK06W040 C2006 12 26.05285 02 58 05.16 +23 12 44.8 19.1 N EY064130
PK06W040 C2006 12 26.81391 02 57 54.36 +23 08 47.8 19.5 N EY064118
PK06W040 C2006 12 26.81905 02 57 54.30 +23 08 46.4 19.3 N EY064118
Observer details:
118 Modra. Observer S. Gajdos. 0.6-m f/5.5 reflector + CCD.
130 Lumezzane. Observers M. Casali, W. Marinello, M. Micheli, G. Pizzetti,
A. Soffiantini. Measurers M. Micheli, A. Soffiantini. 0.40-m f/4.5
reflector + CCD.
147 Osservatorio Astronomico di Suno. Observers D. Crespi, S. Foglia,
G. Galli, S. Minuto. Measurers S. Foglia, G. Galli. 0.40-m f/4 reflector
+ CCD.
204 Schiaparelli Observatory. Observers L. Buzzi, F. Luppi. 0.60-m f/4.64
reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Bezpalko, D. Torres,
R. Kracke, G. Spitz, J. Kistler. Measurers J. Stuart, S. Scruggs. 1.0-m
f/2.15 reflector + CCD.
G96 Mt. Lemmon Survey. Observer R. E. Hill. Measurers E. C. Beshore,
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson. 1.5-m reflector + CCD.
Orbital elements:
P/2006 W4 (Hill)
T 2009 Jan. 23.3858 TT MPC
q 4.440548 (2000.0) P Q
n 0.0597666 Peri. 249.7745 -0.5184673 -0.6708263
a 6.478840 Node 243.2422 +0.8167308 -0.5721588
e 0.314607 Incl. 36.4314 -0.2532637 -0.4718331
P 16.5
From 71 observations 2006 Nov. 19-Dec. 26.
Ephemeris:
P/2006 W4 (Hill)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2006 12 21 02 59.45 +23 39.8 4.718 5.507 139.9 6.6 19.3
2006 12 31 02 57.06 +22 47.5 4.811 5.485 129.1 8.0 19.3
2007 01 10 02 55.95 +22 00.7 4.924 5.463 118.6 9.1 19.3
2007 01 20 02 56.16 +21 20.4 5.052 5.442 108.3 9.9 19.4
2007 01 30 02 57.67 +20 47.2 5.188 5.420 98.4 10.4 19.4
2007 02 09 03 00.41 +20 20.9 5.329 5.398 88.7 10.5 19.5
2007 02 19 03 04.29 +20 01.1 5.469 5.377 79.4 10.4 19.5
2007 03 01 03 09.19 +19 47.0 5.605 5.355 70.4 10.0 19.5
Brian G. Marsden (C) Copyright 2006 MPC M.P.E.C. 2006-Y64
Read MPEC 2006-Y63
Read MPEC 2006-Y65
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)